File: test/Picamator/SteganographyKit/StegoSystem/PureLsbTest.php

Recommend this page to a friend!
  Classes of Sergii Pryz  >  PHP Steganography Kit  >  test/Picamator/SteganographyKit/StegoSystem/PureLsbTest.php  >  Download  
File: test/Picamator/SteganographyKit/StegoSystem/PureLsbTest.php
Role: Unit test script
Content type: text/plain
Description: Unit test script
Class: PHP Steganography Kit
Library of algorithms to encode messages in images
Author: By
Last change:
Date: 5 years ago
Size: 3,332 bytes
 

Contents

Class file image Download
<?php
/**
 * StegoSystem Pure LSB UnitTest
 *
 * @link https://github.com/picamator/SteganographyKit
 * @license http://opensource.org/licenses/BSD-3-Clause New BSD License
 */

use Picamator\SteganographyKit\StegoSystem\PureLsb;
use
Picamator\SteganographyKit\SecretText\PlainText;
use
Picamator\SteganographyKit\Image\Image;

class
PureLsbTest extends BaseLsbTest
{
   
/**
     * Pure LSB StegoSystem
     *
     * @var PureLsb
     */
   
protected $pureLsb;
   
    public function
setUp()
    {
       
parent::setUp();
       
$this->pureLsb = new PureLsb();
    }

   
/**
     * @dataProvider providerEncode
     * @param array $optionsCoverText
     * @param array $optionsSecretText
     */
   
public function testEncode(array $optionsCoverText, array $optionsSecretText)
    {
       
$optionsCoverText['path'] = $this->getDataPath($optionsCoverText['path']);
       
$optionsCoverText['savePath'] = $this->getDataPath(self::$stegoPath) . '/'
           
. $optionsCoverText['savePath'];
               
       
$coverText = new Image($optionsCoverText);
       
$secretText = new PlainText($optionsSecretText);
       
       
$result = $this->pureLsb->encode($secretText, $coverText);
       
       
$this->assertTrue($result);
    }
   
   
/**
     * @dataProvider providerDecode
     * @param array $optionsStegoText
     */
   
public function testDecode(array $optionsStegoText, $expected)
    {
       
$optionsStegoText['path'] = $this->getDataPath($optionsStegoText['path']);

       
$stegoText = new Image($optionsStegoText);
       
$result = $this->pureLsb->decode($stegoText, new PlainText());
       
       
$this->assertEquals($expected, $result);
// var_dump($result);
   
}
   
   
/**
     * @dataProvider providerEncodeDecode
     * @param array $optionsCoverText
     * @param array $optionsSecretText
     * @param array $useChannel
     */
   
public function testEncodeDecode(array $optionsCoverText,
        array
$optionsSecretText, array $useChannel
   
) {
       
$this->encodeDecode($optionsCoverText, $optionsSecretText, $useChannel, $this->pureLsb);
    }
   
    public function
providerDecode()
    {
        return array(
            array(
                array(
                   
'path' => 'lsb/pure/lorem_ipsum_li_200_200.png',
                ),
               
'Lorem ipsum Li'
           
)
        );
    }
   
    public function
providerEncode()
    {
        return array(
            array(
                array(
                   
'path' => 'original_200_200.png',
                   
'savePath' => 'original_' . date('Y_m_d_H_i_s') . '.png'
               
),
                array(
'text' => 'Lorem ipsum Li'),
            )
        );
    }
   
   
/**
     * DataProvider to generate set of encode information
     * to validate how encode-decode is working
     *
     * before optimizaton it's run 1.7 Min and used 9 MB (1, 12000, array('red', 'green', 'blue')
     *
     * @return array
     */
   
public function providerEncodeDecode()
    {
       return
$this->generateProvider(10, 1000, array('red', 'green', 'blue'));
// return $this->generateProvider(1, 12000, array('red', 'green', 'blue'));
   
}
}


For more information send a message to info at phpclasses dot org.